Marmot Mad River 30 Long Sleeping Bag Sleep Well Out There After a long day in the backcountry, recovery starts with a good night's sleep. The Mad River 30 is a down mummy bag built for backpackers who want reliable warmth, a packable footprint, and nothing unnecessary weighing them down. RDS-certified 650-fill duck down treated with Expe Dry technology keeps the insulation lofting and drying fast even when humidity and condensation creep in overnight. The Long fit accommodates sleepers up to 6'6", and dual zippers give you real ventilation control without losing heat when temperatures shift. Features RDS-certified 650-fill duck down with Expe Dry permanent, chemical-free treatment keeps insulation dry and lofty in damp conditions Dual-zipper system full-length left-side 2-way anti-snag zipper plus short right-side zipper for ventilation control and fold-down comfort Anatomically designed footbox with wrap-around construction roomy fit with targeted insulation for cold feet100% recycled shell and lining fabrics with PFC-free DWR weather-resistant protection without fluorinated chemicals | Marmot | Mad River 30 Long Sleeping Bag